I woke up and I couldn't 'fall' back 'asleep'. [=I couldn't go to sleep again]
We were still 'half asleep' when we went to school the next morning.
One moment she was 'sound asleep', the next she was wide awake!
(..) - Here's some ice water. - Oh, thanks. Thanks. That's my son, Patrick. - Goes to Notre Dame. - Oh, yeah? My wife's asleep but she left some supper out. You want something to eat? No. No, thanks. Yeah, come on, man. You have some supper. We'll talk in the kitchen. Come on. (..)2006 The Departed